Question

learner diary sound science chapter 13
how to write ​

Answer 1

19-11-21

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀Ch 13 : Sound

In this chapter I learnt about sounds produced by a vibrating body, sounds produced by humans, how we hear & amplitude, time period and frequency of a vibration, loudness and pitch, audible and inaudible sounds, noise and music, noise pollution, what are the harms of noise pollution, measures to limit noise pollution and hearing impairment.

Note :- This is how I wrote in my learner's diary. Hope it helps!!

Answer 2

Answer:

19-11-21

Ch

13: Sound

In this chapter I learnt about sounds produced by a vibrating body, sounds produced by humans, how we hear & amplitude, time period and frequency of a vibration, loudness and pitch, audible and inaudible sounds, noise and music, noise pollution, what are the harms of noise pollution, measures to limit noise pollution and hearing impairment.

Note :- This is how I wrote in my learner's diary. Hope it helps!!

please drop some ❤️❤️❤️

Explanation:

please f-o-l-l-o-w m-e bro please